protected override CommandBase GetMergedCommand(List <CommandBase> commands)
{
BulkGetCommand mergedCommand = null;
if (commands != null || commands.Count > 0)
{
foreach (CommandBase command in commands)
{
if (command is BulkGetCommand)
{
BulkGetCommand bulkCommand = (BulkGetCommand)command;
if (mergedCommand == null)
{
mergedCommand = bulkCommand;
}
else
{
mergedCommand._bulkGetCommand.keys.AddRange(bulkCommand._bulkGetCommand.keys);
}
}
}
}
return(mergedCommand);
}
/// <summary>
/// Retrieves the object from the cache for the given keys as key value pairs
/// </summary>
/// <param name="keys">The keys against which items are to be fetched.</param>
/// <returns>The retrieved cache items.</returns>
/// <exception cref="ArgumentNullException"><paramref name="keys"/> contains a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentException"><paramref name="keys"/> is not serializable.</exception>
/// <remarks>
/// <para><b>Note:</b> If exceptions are enabled through the <see cref="NCache.ExceptionsEnabled"/>
/// setting, this property throws exception incase of failure.</para>
/// </remarks>
/// <example>The following example demonstrates how to retrieve the value cached for an ASP.NET text
/// box server control.
/// <code>
///
/// NCache.Cache.Get(keys);
///
/// </code>
/// Or simply in a class deriving from <see cref="Alachisoft.NCache.Web.UI.NPage"/> or <see cref="Alachisoft.NCache.Web.UI.NUserControl"/>.
/// <code>
///
/// Cache.Get(keys);
///
/// </code>
/// </example>
public override IDictionary Get(string[] keys, BitSet flagMap)
{
Dictionary<Address, KeyValuePair<string[], CacheItem[]>> keysDistributionMap = new Dictionary<Address, KeyValuePair<string[], CacheItem[]>>();
Request request;
if (_broker.ImportHashmap)
{
if (!_broker.PoolFullyConnected)
{
BulkGetCommand command = new BulkGetCommand(keys, flagMap);
request = _broker.CreateDedicatedRequest(command);
}
else
{
request = new Request(true, _broker.OperationTimeOut);
_broker.GetKeysDistributionMap(keys, null, ref keysDistributionMap);
foreach (Address serverAddress in keysDistributionMap.Keys)
{
KeyValuePair<string[], CacheItem[]> keysAndItems = keysDistributionMap[serverAddress];
BulkGetCommand command = new BulkGetCommand(keysAndItems.Key, flagMap);
command.ClientLastViewId = _broker.ClientLastViewId;
request.AddCommand(serverAddress, command);
}
}
}
else
{
BulkGetCommand command = new BulkGetCommand(keys, flagMap);
request = _broker.CreateRequest(command);
}
_broker.ExecuteRequest(request);
CommandResponse res = request.Response;
res.ParseResponse();
return res.KeyValueDic;
}
